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Medical Forum / General / Vision / February 2005seeing double
What malfunctions in the eye that causes one to see double for instance seeing two people walking where there is really only one. > What malfunctions in the eye that causes one to see double for > instance seeing two people walking where there is really only one. It doesn't actually happen _in_ the eyes. Sometimes it's a problem with one or more of the muscles that move the eyes together, but usually it's a problem in the nerves that control those muscles. Not "in" the eyes but "behind" them. -MT Thanks for the info Glen >> What malfunctions in the eye that causes one to see double for >> instance seeing two people walking where there is really only one. [quoted text clipped - 5 lines] > >-MT > > What malfunctions in the eye that causes one to see double for > > instance seeing two people walking where there is really only one. [quoted text clipped - 3 lines] > problem in the nerves that control those muscles. Not "in" the eyes but > "behind" them. NOW THIS MASTER IDIOT OF MR. TYRNER COMES TO REALIZE THAT THE EYES HAVE NOTHING TO DO WITH VISION BUT ALL HAPPENS IN THE BRAIN, IN THE MIND. MY SHEER COMPLIMENTS. > What malfunctions in the eye that causes one to see double for > instance seeing two people walking where there is really only one. If this has just happened to you recently then you definitely need to get it checked out. If you were just curious, well that's OK then!! Dom > What malfunctions in the eye that causes one to see double for > instance seeing two people walking where there is really only one. I've had some personal experience with this. In my case, seeing double was a failure of my brain to merge the images coming from my two eyes. My OMD had predicted that this would happen if I tried using glasses after my first cataract surgery. Sure enough, I got some glasses, and had very severe double vision. My brain eventually learned to mostly ignore the vision from one eye. Fortunately I was able to wear contacts, so I wore them 7 days a week for 14 hours a day, for five years, when I had my second cataract surgery. Glasses for severe myopia reduce the image size considerably. After my first cataract surgery, I needed no correction for distance in my right eye, but -10D in the left. The image from my right eye was so much larger than the image from my left eye, that my brain thought my two eyes were looking at different images, and so refused to merge them.  SignatureDan Abel Sonoma State University AIS dabel@sonic.net My dad develop double vision about 4 weeks ago, previously he had problems with weight loss (6month ago), family physician could not find where was problem, only know when he had complains about double vision, doctor did CT scan and thyroid test. Results was - on CT scan they found one eye's lower muscle inflamed, and thyroid test showed over active thyroid producing too many hormones. Try more web search for Graves' ophthalmopathy. Maybe somebody has more advice about this problem. Right now has been 2 weeks my dad is on the THIAMAZOLE (TAPAZOLE). No affect on double vision yet. Is anybody can give some advice about this, is double vision will go away?, and is any other medication may help?, any glasses he could wear?. He has hard time know, he used to like read a lot, can not go to work right know, good thing he stopped smoking. He has no double vision when he looks down. He has Binocular vision (the double vision stops if either eye is covered.) My dad is 64 years old. Thanks for any advice Darius sadahon@yahoo.com Diplopia from Graves thryroid-associated orbitopathy has little to do with how much thyroid or how it is controlled. Some have no discernable thyroid malfunction (not to be confused with "wardrobe malfunction ..."). That siad, the inferior rectus muscle enlargement will run its won course over some months, and may cause contracture and therefore depression of the eye (eye looks down on its own). To some extent, high dose oral steroids may reduce the swelling somewhat, but many are not affected by the steroids. Radiation has little longterm influence on this either. Both these treatments are used when the muscle enlargement encroaches on the optic nerve, causing deceased vision and risk of permanent vision injury. Once the double vision stabilizes, and remains stable for at least 6 months, muscle surgery may be done to realign the eyes straight ahead, and in reading position, but does not fix the permanent muscle stiffness. On 2/8/05 11:25 AM, in article 1107890746.293943.179130@g14g2000cwa.googlegroups.com, "sadahon" > My dad develop double vision about 4 weeks ago, previously he had > problems with weight loss (6month ago), family physician could not find [quoted text clipped - 19 lines] > Darius > sadahon@yahoo.com >What malfunctions in the eye that causes one to see double for >instance seeing two people walking where there is really only one. Imperfect imagination due to mental strain to see better. -- "It is not faith that cures, but a proper use of the eyes." |
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